If a truck goes 30 km In 30 minutes what is the average speed

1 Kilometer Per Minute

Explanation:

To find the average speed of the truck, we divide the distance covered by the time it was covered in.

30 km / 30 minute = 1 km / minute.

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.